Home / 9,222.28-13,822.26-6,619.84

Finding the Fourth Proportional to 9,222.28, 13,822.26 and 6,619.84

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Solution

The fourth proportional to 9,222.28, 13,822.26 and 6,619.84 is: 9,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.28 : 13,822.26 = 6,619.84 : x
  2. Step 2: Convert to fraction form
    9,222.28/13,822.26 = 6,619.84/x
  3. Step 3: Cross multiply
    9,222.28x = 13,822.26 × 6,619.84
  4. Step 4: Simplify right side
    9,222.28x = 91,501,149.64
  5. Step 5: Solve for x
    x = 91,501,149.64/9,222.28
  6. Step 6: Final answer
    x = 9,921.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.